Flow price: --
906b304f2063c9a30815b98a541aa1f72fd9d287272a20cd0f62c5c448c0be9f

Transaction

Hash: 906b304f2063c9a30815b98a541aa1f72fd9d287272a20cd0f62c5c448c0be9f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 906b304f2063c9a30815b98a541aa1f72fd9d287272a20cd0f62c5c448c0be9f:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
906b304f2063c9a30815b98a541aa1f72fd9d287272a20cd0f62c5c448c0be9f
Status:
ERROR
Block height:
40103582
Block id:
e442f8d346da0a437bff43368c4f6cc1f62dac0e0debcc9bd0763cbcecfbc46b
Timestamp:
Tuesday 1 November 2022 at 11:22:14 UTC
()
Proposer:
Authorizers:
Gas used:
46